From: Ted Kremenek <kremenek@apple.com>
Date: Thu, 7 Aug 2008 22:28:30 +0000 (+0000)
Subject: Don't flag any dead stores for variables marked unused.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=b238c3e81e1334cb3cb909dc6174f8c71241eb9e;p=clang

Don't flag any dead stores for variables marked unused.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@54492 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Analysis/CheckDeadStores.cpp b/lib/Analysis/CheckDeadStores.cpp
index 38078e3823..63de9adb8f 100644
--- a/lib/Analysis/CheckDeadStores.cpp
+++ b/lib/Analysis/CheckDeadStores.cpp
@@ -79,7 +79,7 @@ public:
                     const LiveVariables::AnalysisDataTy& AD,
                     const LiveVariables::ValTy& Live) {
 
-    if (VD->hasLocalStorage() && !Live(VD, AD))
+    if (VD->hasLocalStorage() && !Live(VD, AD) && !VD->getAttr<UnusedAttr>())
       Report(VD, dsk, Ex->getSourceRange().getBegin(),
              Val->getSourceRange());      
   }